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Is DCA4 additive in place of coolant conditioner, or in addition?

Hello all,

I'm new to diesels and slowing performing maintenance on my newly acquired 2000 Ford F-550, 7.3 L PSD.

I tested my coolant with the Fleetguard test strips, and it is a bit low, so I'll be adding the recommended amount of DCA4.

Question: Is the DCA4 in place of the "coolant conditioner" mentioned in the maintenance schedule that came with the truck? Or, after adding the DCA4, will I still need to add the coolant conditioner at the recommended interval?

On a side note, I was browsing the groups today and read about the Evans NPG coolant. It contains no water so it claims that no more testing and additives are required. It is supposed to be good for the life of the engine. Not many comments on this product. Is anyone using it in the PSD? Is it everything the manufacturer claims to be?

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Charlie

Reply to
Charles Kerekes
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Go to

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and check out the forums. Great site, but owner is an ass.

Reply to
bomar

Same thing, just ford uses its own part number. I've read about the evans coolant over on

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and the owner seems to run the site fairly well.

Reply to
Chris Hill

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